News
Clustering analysis for protection zones in medium-voltage distribution systems.
3+ hour, 43+ min ago (71+ words) Clustering analysis for protection zones in medium-voltage distribution systems. (IMAGE)EurekAlert! Visualization of distribution network segmentation using clustering algorithms. This approach allows for the strategic placement of impedance relays by identifying optimal protection zones, significantly reducing failure frequency and improving…...
Driverless shuttles could boost local public transport, especially in rural areas. (Photo: Felix Kästle, ZF Friedrichshafen)
1+ day, 4+ hour ago (37+ words) Driverless shuttles could boost local public transport, especially in rural areas. (Photo: Felix K'stle, ZF Friedrichshafen)EurekAlert! Felix K'stle, ZF Friedrichshafen Dr. Felix Mescoli Karlsruhe Institute of Technology (KIT) [email protected] Office: +49 721 608 41171...
New methodology optimizes impedance relay placement in medium-voltage distribution networks using clustering algorithms and metaheuristics
1+ day, 5+ hour ago (382+ words) Researchers have proposed a novel methodology to optimize the placement of impedance relays in medium-voltage electrical distribution systems, where their application has traditionally been limited compared with transmission networks. By integrating clustering algorithms with metaheuristic optimization techniques, the approach enables…...
Sulfide coating shown to increase power and life of lithium batteries
1+ day, 5+ hour ago (211+ words) Researchers at the U of A have found that a sulfide coating on nickel-rich cathodes can significantly increase the life, power and safety of lithium batteries image:Kevin Velasquez (left) and Henry Meng in the Meng Nano and Energy Lab....
New charging strategy integrates Electric Vehicles into the power grid without risking overloads
1+ day, 22+ hour ago (335+ words) Research proposes a real-time pricing scheme and strategic placement of power units to reduce energy losses and boost monetary benefits image:This flowchart illustrates the decision-making process of the smart charging system. It determines whether an electric vehicle should charge,…...
Why do lithium-ion batteries fail? Scientists find clues in microscopic metal 'thorns"
2+ day, 3+ hour ago (585+ words) image:Brittle, microscopic structures called dendrites form in lithium-ion batteries and can disrupt battery performance. Unlike bulk lithium, which is pliant and supple, dendrites fracture under stress. view more Credit: Courtesy of the Lou Group/Rice University For the first…...
Granular activated carbon-sorbed PFAS can be used to extract lithium from brine
4+ day, 11+ hour ago (406+ words) image:James Tour and Yi Cheng, the corresponding and first authors on this manuscript view more "Extracting lithium from brine can be less environmentally damaging than conventional mining, but it still faces challenges such as selectivity, cost and water use,…...
Orbital modulation enables high-performance NASICON cathode for sodium-ion batteries
5+ day, 6+ hour ago (120+ words) image:Overview of the mechanism of orbital modulation in suppressing anti-site defects and the material structure. view more Credit: Mingkui Wang, Yan Shen and Jiandong Zhang from Huazhong University of Science and Technology. The research has been recently published in…...
Breaking down the battery problem
1+ week, 1+ day ago (963+ words) A researcher at the Cockrell School of Engineering is continuing a legacy of battery science that began right here at The University of Texas at Austin. Credit: The University of Texas at Austin Consider the humble rechargeable battery: Many people…...
Non-destructive battery testing — New method developed with GSI participation
1+ week, 1+ day ago (714+ words) Rechargeable batteries are everywhere " from portable electronic devices and electric vehicles to renewable energy storage. Battery failures are often due to the loss or chemical degradation of the electrolyte. An international research team involving the Helmholtz Institute Mainz, a branch…...